30997480

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1093}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 69906600

約数和(自身を除く): 38909120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1093, 1418, 2186, 2836, 3545, 4372, 5465, 5672, 7090, 8744, 10930, 14180, 21860, 28360, 43720, 774937, 1549874, 3099748, 3874685, 6199496, 7749370, 15498740, 30997480]

約数ペア:

[(1, 30997480), (2, 15498740), (4, 7749370), (5, 6199496), (8, 3874685), (10, 3099748), (20, 1549874), (40, 774937), (709, 43720), (1093, 28360), (1418, 21860), (2186, 14180), (2836, 10930), (3545, 8744), (4372, 7090), (5465, 5672)]